Distance marker



FIG. 1 is a top perspective view of a distance marker according to my design;

FIG. 2 is a side elevational view of the distance marker taken from the right of FIG. 1;

FIG. 3 is a side elevational view of the distance marker taken from the left of FIG. 1;

FIG. 4 is an end elevational view of the distance marker taken from the back of FIG. 1;

FIG. 5 is an end elevational view of the distance marker taken from the front of FIG. 1;

FIG. 6 is a top plan view of the distance marker of FIG. 1; and,

FIG. 7 is a bottom plan view of the distance marker of FIG. 1. 

The ornamental design for a distance marker, as shown and described. 